Norfolk County Council has selected Costain to finalise the detailed design and construct the West Winch Housing Access Road scheme close to King's Lynn.

The new 1.5-mile route will link the A47 to the current A10, serving a planned Growth Area south of King's Lynn that is set to accommodate up to four thousand new homes. Following its opening, the newly constructed road will be integrated into the A10.

Costain's scope of work includes the design and construction of the new road, alongside the installation of new roundabouts to offer entry points into the upcoming residential areas. Additionally, the infrastructure solutions firm will construct a cycle path adjacent to the new route and dual slightly less than one mile of the A47 trunk road. The contract represents a major portion of the total £122m project cost, with detailed design work scheduled to begin this year and construction projected to start in 2027.

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Andy Denman, Road Sector Director at Costain, commented: "This award is built on our long-established highways delivery expertise and our proven track record in delivering best-in-class, value-for-money services for local authorities across the UK.

"The West Winch Housing Access Road is an exciting project that will significantly improve people's lives and help support the local economy. We're looking forward to bringing constructability to the heart of the design to minimise risk and maximise efficiency, working closely with our supply chain partners to deliver this new road safely and efficiently."

Grahame Bygrave, Lead Director – Infrastructure at Norfolk County Council, said: "Congratulations to Costain for being awarded the design and build contract for the project, it's great to have them on board. Our project team will work closely with them to continue to move this project forward and progress to the start of construction as soon as possible."

The appointment allows Costain to leverage its existing infrastructure delivery experience across the East of England spanning the energy, water, and road sectors. The firm holds a leading position on the Eastern Highways Alliance Framework, through which it delivers highways upgrades across 11 local authorities in the area. Costain has also upgraded 1,625km of gas mains for Cadent to supply new mains to 168,000 homes, and is currently constructing hundreds of kilometres of new water pipeline as part of Anglian Water's Strategic Pipeline Alliance to protect the region against water scarcity and climate change.